Cheap flights from Seoul to Ulaanbaatar

Seoul
SEL
Buyant-Ukhaa
ULN

Flight deals from Seoul to Ulaanbaatar

Below you can see the best deals on flights Seoul — Ulaanbaatar for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

Top 10 cheap flights from Seoul to Ulaanbaatar

About the Seoul — Ulaanbaatar flight

Looking for cheap flights from Seoul to Ulaanbaatar? Compare fares from different airlines, check the flight schedule and travel time — and book your Seoul — Ulaanbaatar ticket online at the best price.

The route has direct flights — around 168 flights per week, flights are operated by Korean Air, MIAT, Aero Mongolia, Asiana Airlines and 5 more airlines, a nonstop flight takes about 3 h, the distance between the cities is around 1,998 km.

Planning your trip? You may find our Ulaanbaatar travel guide, how to get from the airport into town and Ulaanbaatar weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

YesDirect flights
1,998 kmDistance
3 hTravel time
9Airlines
168 / wkFlights

Flight schedule from Seoul to Ulaanbaatar

The table shows direct flights from Seoul to Ulaanbaatar on the selected date. The flight takes approximately 3 h. Regular flights are operated by Korean Air, MIAT, Aero Mongolia and Asiana Airlines. Departures from Incheon International Airport and Gimpo International Airport airports, arrivals at Chinggis Khaan International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Prices by month

Average one-way fares from Seoul to Ulaanbaatar by month. Tickets are usually cheapest in October (around $228) and priciest in July (about $384) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$252lowMay$312mediumSep$300medium
Feb$240lowJun$348highOct$228low
Mar$276mediumJul$384highNov$240low
Apr$288mediumAug$360highDec$264low

Some values are estimated based on seasonality.

When to fly

Weather in Ulaanbaatar: it is warmest in July (up to 23 °C on average) and coolest in January (around -14 °C). The driest month is January.

Temperature · Ulaanbaatar

Dry and wet days · Ulaanbaatar

Wind speed and direction · Ulaanbaatar

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How to get the best deal on a Seoul — Ulaanbaatar ticket

  • Book ahead: fares for Seoul — Ulaanbaatar are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Seoul is served by more than one airport — compare fares and travel time to each before you book.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Seoul — Ulaanbaatar route are operated by 9 airlines; Korean Air runs the most flights (around 43% of all flights). Compare carriers, flight shares and schedules below.

  • Korean AirKE
    24x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ICN → UBN24x/week
      Duration
      3h 39m
      Days
      MTWTFSS
    42.9%Open →
  • MIATOM
    18x/week
    WebsiteFleet: 141M pax/year
    • Direct flight ICN → UBN18x/week
      Duration
      3h 37m
      Days
      MTWTFSS
    31.5%Open →
  • Aero MongoliaM0
    4x/week
    WebsiteFleet: 3150k pax/year
    • Direct flight ICN → UBN4x/week
      Duration
      2h 59m
      Days
      MTWTFSS
    6.5%Open →
  • Asiana AirlinesOZ
    4x/week
    WebsiteFleet: 6916M pax/year
    • Direct flight ICN → UBN4x/week
    6.5%Open →
  • Jeju Air7C
    3x/week
    WebsiteFleet: 4213.4M pax/year
    • Direct flight ICN → UBN3x/week
      Duration
      3h 38m
      Days
      MTWTFSS
    6.0%Open →
  • T'way AirTW
    3x/week
    WebsiteFleet: 3810M pax/year
    • Direct flight ICN → UBN3x/week
      Duration
      3h 40m
      Days
      MTWTFSS
    4.8%Open →
  • Hahn Air SystemsH1
    1x/week
    WebsiteFleet: 3
    • Direct flight ICN → UBN1x/week
      Duration
      1h
      Days
      MTWTFSS
    0.6%Open →
  • EtihadEY
    1x/week
    WebsiteFleet: 9714M pax/year
    • Direct flight ICN → UBN1x/week
    0.6%Open →
  • XFXF
    1x/week
    • Direct flight ICN → UBN1x/week
      Duration
      1h
      Days
      MTWTFSS
    0.6%

Cities and airports on the Seoul — Ulaanbaatar route

Flights Seoul — Ulaanbaatar depart from Incheon International Airport and Gimpo International Airport and arrive at Chinggis Khaan International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Arrival

Ulaanbaatar

ULN
Mongolia
About the cityHow to get thereWeatherAll about the country Mongolia
Departure airports
Arrival airports

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Frequently asked questions about the Seoul — Ulaanbaatar flight

How long is the flight from Seoul to Ulaanbaatar?

A nonstop Seoul — Ulaanbaatar flight takes about 3 h — the distance between the cities is around 1,998 km.

How far is it from Seoul to Ulaanbaatar?

The distance from Seoul to Ulaanbaatar is about 1,998 km, which a nonstop flight covers in around 3 h.

Are there direct flights from Seoul to Ulaanbaatar?

Yes, there are nonstop flights Seoul — Ulaanbaatar — around 168 flights per week.

Which airlines fly from Seoul to Ulaanbaatar?

Airlines operating Seoul — Ulaanbaatar include Korean Air, MIAT, Aero Mongolia, Asiana Airlines, Jeju Air. See the full list with schedules in the "Airlines" section on this page.

Which airports do Seoul — Ulaanbaatar flights use?

Flights from Seoul depart from Incheon International Airport, Gimpo International Airport, and arrive at Chinggis Khaan International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Seoul to Ulaanbaatar?

The price of a Seoul — Ulaanbaatar ticket depends on your travel date, season and demand. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Seoul — Ulaanbaatar?

Flights Seoul — Ulaanbaatar are usually cheaper when booked in advance — a few weeks before departure and away from peak dates. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Seoul to Ulaanbaatar?

To catch a low fare Seoul — Ulaanbaatar, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Seoul

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Where else you can fly from Ulaanbaatar

See all
BeijingTokyoHohhotHong KongIstanbulFrankfurt am MainBusanSingaporeIrkutskBangkokPhuketDaeguUlaangomShanghaiHo Chi Minh CityCheongjuAstanaOsakaGuangzhouDalanzadgadAltayKrasnoyarskKyzylMurenOlgiiKhovdHailar

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